D type shackle bow shackle is widely used in electric power, metallurgy, petroleum, machinery, railway, chemical industry, port, mining, construction and other industries. Shape exactly like the capital letter D, so get this name. According to the use of the site can be divided into two types of marine and land.
The safety coefficient is 4 times, 5 times, 6 times, even 8 times (such as the Swedish GUNNEBO super shackle).
Its material, common carbon steel, alloy steel, stainless steel, high strength steel, etc..
Surface treatment is divided into galvanized (hot plating and electroplating, painting, plating dacrome) (Dacormet).